TORTURES - SLAVERY Torments meted out to Christian slaves by their captors. From left to right, from top: Vertical impaling on hooks. Tearing asunder by ships. Roasting alive. Crucifixion. [Bottom] Burning with candles. Walling up alive. Flaying alive. Dragging over sharp rocks. Wood-engravings from Stanley Lane-Poole, The Barbary Corsairs, 1890.